Subject Region
United States
44
Great Britain
26
England
22
Earth (Planet)
16
Germany
9
Tennessee
9
Pennsylvania
6
Argentina
5
Dover (Township)
4
Galapagos Islands
4
Australia
3
Dover
3
Europe
3
France
3
Hawaii
3
Australasia
2
Burgess Shale (B.C.)
2
China
2
Espana
2
Florida
2
Malay Archipelago
2
Soviet Union
2
Spain
2
Africa
1
Arabian Peninsula
1
Arkansas
1
Baikal, Lake
1
British Columbia
1
California, Gulf of
1
California, Gulf of (Mexico)
1
Canada
1
Central Australia
1
Czech Republic
1
Developing countries
1
Earth
1
Edinburgh (Scotland)
1
Eurasia
1
Europe, Southern
1
Galicia (Region)
1
India
1
Islamic countries
1
Japan
1
Jihomoravský kraj
1
Jihomoravský kraj (Czech Republic)
1
Kansas
1
London
1
Madagascar
1
Madeira Islands
1
Messel Region
1
Mexico
1
more ...